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Finding the Fourth Proportional to 25,233.30, 37,849.95 and 18,672.30

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Solution

The fourth proportional to 25,233.30, 37,849.95 and 18,672.30 is: 28,008.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,233.30 : 37,849.95 = 18,672.30 : x
  2. Step 2: Convert to fraction form
    25,233.30/37,849.95 = 18,672.30/x
  3. Step 3: Cross multiply
    25,233.30x = 37,849.95 × 18,672.30
  4. Step 4: Simplify right side
    25,233.30x = 706,745,621.39
  5. Step 5: Solve for x
    x = 706,745,621.39/25,233.30
  6. Step 6: Final answer
    x = 28,008.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.